/*
* INSANE - Interactive Structural Analysis Environment
*
* Copyright (C) 2003-2005
* Universidade Federal de Minas Gerais
* Escola de Engenharia
* Departamento de Engenharia de Estruturas
* 
* Author's email :    insane@dees.ufmg.br
* Author's website :  http://www.dees.ufmg.br/insane
* 
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or any later version.
* 
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
* 
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

package br.ufmg.dees.insane.model.geo.geometricTransformations.transformations;

import br.ufmg.dees.insane.util.IMatrix;

/**
 * @author Rafaela Ferraz
 * @version 1.0
 */
public class RotationInZ extends Transformation{
	
   private double angulo;
   
    public RotationInZ(double angulo){
        this.angulo = angulo;
    }

    public IMatrix getMatrix(){
        IMatrix t = new IMatrix(4,4);
        t.setElement(0, 0, Math.cos(Math.toRadians(angulo)));
        t.setElement(0, 1, Math.sin(Math.toRadians(angulo)));
        t.setElement(1, 0, -Math.sin(Math.toRadians(angulo)));
        t.setElement(1, 1, Math.cos(Math.toRadians(angulo)));
        t.setElement(2, 2, 1);
        t.setElement(3, 3, 1);
        return t;
    }
//*********************************************************************************
}//end of this class
